package com.geekaca.web.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet(urlPatterns = "/logout")
public class LogoutServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session = req.getSession();
//        session.setAttribute("uname",null);
        // 注销用户会话
        session.invalidate();

//        session.removeAttribute("uname");

        resp.sendRedirect(req.getContextPath()+ "/login.jsp");
    }
}
